Naturally, most people look to established outlets and ways of doing things, to make their dreams come true.
Who can begrudge a singer of any background, trained and skilled with classical technique, for wanting to work in the most impressive spaces for presenting what he or she has learned?
On the other hand there is the matter of being an artist. Artists should be willing and able to create their best work in any setting, regardless of the trappings and context.
Performing artists of all sorts are trained in formal institutions to be cogs in the wheel of a system that has existed for centuries. It takes foresight and determination to cultivate independent thinking after working hard to fit in.
It is possible to create magic when we think outside of the box.